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Name
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Reference
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Plots↓
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Description |
Comm #11941
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CEGL007625
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accession code: VB.CC.7237.CEGL007625
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EcoArt 2002 |
0
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Comm #11942
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Pinus strobus - (Pinus resinosa) - Quercus rubra Forest
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accession code: VB.CC.36895.CEGL002480
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Midwestern Ecology Working Group... |
0
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This white pine - oak forest occurs in the central Great Lakes region of the United States and Canada, where it occurs on dry to dry-mesic sites with well-drained sandy loams or coarser soils, typically on morainal slopes. <i>Pinus strobus</i> is the dominant component of the overstory, often forming a supercanopy above the hardwood canopy. <i>Quercus rubra</i> is an important canopy species, along with <i>Acer saccharum</i>, and <i>Quercus alba</i> in central Minnesota, and, farther eastward, <i>Fraxinus americana, Quercus velutina</i>, and occasional <i>Fagus grandifolia</i>. Northern stands may contain <i>Acer rubrum, Betula papyrifera, Pinus resinosa, Pinus strobus, Populus grandidentata</i>, and <i>Populus tremuloides</i>, along with <i>Abies balsamea</i> in the understory. The shrub and vine layer in the southern part of the range contains <i>Cornus foemina, Corylus americana, Parthenocissus quinquefolia</i>, and <i>Vaccinium angustifolium</i>, and, farther north, <i>Corylus cornuta, Diervilla lonicera, Gaultheria procumbens, Vaccinium angustifolium</i>, and <i>Viburnum acerifolium</i>. Typical herbs in the southern part of the range include <i>Amphicarpaea bracteata, Aralia nudicaulis, Carex pensylvanica</i>, and <i>Geranium maculatum</i>; farther north, they include <i>Eurybia macrophylla (= Aster macrophyllus), Maianthemum canadense, Oryzopsis asperifolia, Polygala paucifolia, Polygonatum pubescens, Pteridium aquilinum</i>, and <i>Trientalis borealis</i>. Mosses include <i>Ptilidium pulcherrimum</i>. |
Comm #11943
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Pinus strobus - Quercus alba / (Corylus americana, Gaylussacia baccata) Forest
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accession code: VB.CC.36853.CEGL002481
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Midwestern Ecology Working Group... |
0
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This white pine - oak forest is found in the upper midwestern United States. Stands occur on dry sandy soils, and in central Minnesota, Wisconsin, and Michigan, are typically formed on sandy outwash or lakeplains. <i>Pinus strobus</i> dominates the canopy, or may form a supercanopy over a hardwood canopy. Typical canopy associates include <i>Pinus resinosa</i> (in parts of its range), <i>Quercus alba, Quercus rubra</i>, and <i>Acer rubrum</i>. Where soils are more sandy, <i>Populus grandidentata</i> and <i>Quercus ellipsoidalis</i> may be important. Shrub species include <i>Corylus americana</i> and <i>Gaylussacia baccata</i>. The herbaceous layer can contain <i>Aquilegia canadensis, Aralia nudicaulis, Eurybia macrophylla (= Aster macrophyllus), Symphyotrichum urophyllum (= Aster sagittifolius), Carex pensylvanica, Gaultheria procumbens, Lysimachia quadrifolia, Polygala paucifolia</i>, and <i>Pteridium aquilinum</i>. |
Comm #11944
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Pinus strobus - (Acer rubrum) / Osmunda spp. Forest
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accession code: VB.CC.36896.CEGL002482
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Midwestern Ecology Working Group... |
0
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This white pine - red maple swamp forest is found in the southern Great Lakes region of the United States and Canada, ranging east in scattered locations. Stands occur on sites with at least a thin layer of organic material on the surface. Glacially deposited sand usually lies beneath the organic layer. The overstory is dominated by <i>Pinus strobus</i> and may contain <i>Acer rubrum, Betula alleghaniensis, Tsuga canadensis</i>, and <i>Ulmus americana</i>. Shrubs can be sparse but include <i>Alnus incana</i> and <i>Ilex verticillata</i>. Understory species include <i>Carex</i> spp., <i>Osmunda cinnamomea, Osmunda regalis</i>, and <i>Symplocarpus foetidus</i>. <i>Sphagnum</i> spp. may occur as a ground cover. In Wisconsin, common species include <i>Carex folliculata</i> and <i>Thelypteris simulata</i>, which are more common in the eastern United States. |
Comm #11945
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CEGL006022
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accession code: VB.CC.6608.CEGL006022
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #11946
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Picea mariana / Ledum groenlandicum / Carex trisperma / Sphagnum spp. Bog Woodland
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accession code: VB.CC.37006.CEGL002485
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Midwestern Ecology Working Group... |
0
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This black spruce-dominated raised bog community type is found in the sub-boreal to boreal regions of the Great Lakes, elsewhere in the boreal region of central Canada, and across to Maine. Stands are typically on the crests of raised bog landforms in large peatland complexes, as well as in basin bogs. Sites are poorly drained, with wet organic substrates. Tree cover forms at least 25% canopy (and may be very dense), varying in height from 3 m to over 10 m. <i>Picea mariana</i> is often the sole species in the canopy. <i>Larix laricina</i> may occasionally occur. The dwarf-shrub layer is dominated by <i>Ledum groenlandicum</i> and other ericaceous shrubs, such as <i>Chamaedaphne calyculata, Vaccinium myrtilloides, Vaccinium oxycoccos, Kalmia polifolia, Kalmia angustifolia, Gaultheria hispidula</i>, and <i>Andromeda polifolia</i>. <i>Picea mariana</i> may also be found in scrub form in this layer. Ground cover consists of a species-poor herb layer, with <i>Carex trisperma, Eriophorum vaginatum</i>, and <i>Maianthemum trifolium</i> most prevalent. Moss cover is a <i>Sphagnum</i> carpet with patches of feathermoss (especially <i>Pleurozium schreberi</i>) and conifer litter beneath the trees. Dominant sphagnum species include <i>Sphagnum magellanicum, Sphagnum fuscum, Sphagnum recurvum</i>, and <i>Sphagnum angustifolium</i>, and less commonly, <i>Sphagnum capillifolium (= Sphagnum nemoreum)</i> and <i>Sphagnum girgensohnii</i>. Minerotrophic indicators, such as <i>Betula pumila, Carex stricta</i>, and <i>Carex aquatilis</i>, are absent. |
Comm #11947
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Baccharis pilularis - Artemisia californica Shrubland
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accession code: VB.CC.31888.CEGL003184
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Western Ecology Working Group of... |
0
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This shrubland association occurs on gentle to steep slopes of flat to variable aspect at low elevations between 2 and 547 m. It is characterized by a dominance of <i>Baccharis pilularis</i> and subdominance of <i>Artemisia californica</i> in the shrub layer. The herbaceous layer is more variable than the <i>Baccharis pilularis</i> / annual grass - herb association and tends to have more cover by tall exotic herbs such as <i>Brassica nigra</i> and <i>Foeniculum vulgare</i>. The emergent tree layer is generally absent but can include exotic ruderals such as <i>Schinus molle</i> and <i>Eucalyptus</i> spp., as well as the native <i>Quercus lobata</i> and <i>Quercus agrifolia</i>. |
Comm #11948
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CEGL007889
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accession code: VB.CC.7475.CEGL007889
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #11949
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Abronia villosa Sparsely Vegetated Alliance
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accession code: VB.CC.25905.ABRONIAVILLOSAS
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Western Ecology Working Group of... |
0
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This sparsely vegetated alliance of the Mojave and Colorado deserts is found in active and partially stabilized dune systems between 10 and 1200 m elevation. These dune systems are shaped by abiotic factors and move too rapidly to be stabilized by plants establishing on them. Plant cover is therefore very sparse. Subsurface water is held for long periods of time so shrubs that can survive long enough to get rooted can persist through long droughts. Scattered forbs and grasses in the herbaceous layer characterize this alliance. No one plant is diagnostic, but typically three or more of the following can be found: Pleuraphis rigida (= Hilaria rigida), Panicum urvilleanum, Oenothera deltoides, Croton californicus, Abronia villosa, Geraea canescens, Dicoria canescens, Achnatherum hymenoides (= Oryzopsis hymenoides), Cleome sparsifolia, and Rumex hymenosepalus. Individual emergent shrubs, such as Eriogonum deserticola, Larrea tridentata, Atriplex canescens, and Ambrosia dumosa, may be present. Total plant cover rarely exceeds 10%. |
Comm #11950
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Umbellularia californica / Polystichum munitum Forest
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accession code: VB.CC.22698.UMBELLULARIACAL
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Western Ecology Working Group of... |
0
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